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mermaid-design

Generates Mermaid diagrams with token-based theming from a root mermaid.tokens.json file.

Updated Aug 23, 2026
Search Tags:#theming#documentation#mermaid#design system#visualization#diagrams
One-click install
npx skills add https://github.com/cromesdk/ai-skills --skill mermaid-design
Or copy as Structured Prompt for Agentā–¼
Please help me install this Agent Skill.
Skill: mermaid-design
Source: https://github.com/cromesdk/ai-skills/tree/main/skills/project/mermaid-design
Command: npx skills add https://github.com/cromesdk/ai-skills --skill mermaid-design

SYSTEM DOCUMENTATION & REQUIREMENTS

šŸ’” This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill standardizes the creation of Mermaid diagrams by enforcing a single, deterministic token-based theming system, ensuring visual consistency across all generated diagrams.

Core Features & Use Cases

  • Token-Based Theming: Utilizes a root mermaid.tokens.json file for all theme and theme variable definitions.
  • Broad Diagram Support: Supports a wide range of Mermaid diagram types including flowcharts, sequence diagrams, class diagrams, and more.
  • Use Case: Ensure all architectural diagrams, process flows, and project timelines within a repository adhere to a consistent visual style, making them easier to understand and maintain.

Quick Start

Generate a flowchart for user signup using the mermaid-design skill.

Frequently Asked Questions about mermaid-design

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate Mermaid diagrams with consistent theming across a repository?ā–¼

Generate Mermaid diagrams with consistent theming by using a root `mermaid.tokens.json` file to define deterministic theme and themeVariables. This enforces a single visual style across all flowcharts, sequence diagrams, and timelines in your documentation.

What diagram types are supported by token-based Mermaid theming?ā–¼

Token-based Mermaid theming supports numerous diagram types, including flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, journey, gantt, pie, mindmap, timeline, gitGraph, quadrantChart, requirementDiagram, and kanban.

Do I need a specific configuration file to apply a design system to Mermaid visualizations?ā–¼

Yes, you need a root `mermaid.tokens.json` file. The system enforces mandatory preflight checks for this file's existence and loads your theme and themeVariables from it before producing any diagram output.

What is the best way to standardize architectural diagrams and process flows in documentation?ā–¼

Standardize architectural diagrams and process flows by applying a deterministic design system through a shared `mermaid.tokens.json` file. This ensures all generated Mermaid visualizations adhere to a consistent, maintainable visual style.

Why does my Mermaid diagram fail to apply theme variables during generation?ā–¼

Mermaid diagram generation fails when the mandatory preflight check cannot locate the root `mermaid.tokens.json` file. The system requires this file to exist and load theme variables before it produces any output.

Can I use this token-based theming approach for a gitGraph or kanban diagram?ā–¼

Yes, token-based theming applies to gitGraph and kanban diagrams. The system supports these alongside other formats like mindmap, timeline, quadrantChart, and requirementDiagram, ensuring visual consistency across all supported diagram types.

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